Adjectives for this story include:
Grubby, abusive, grimy, cruel, rancid, slimy, miserable, cold, heartless, soul destroying...
It just goes from one seedy thing after another. Most of it, if not all of it caused by Aunties spoilt little tsundere bitch of a daughter. I got up to chapter 26 and the only person I have the slightest empathy towards is "sister"...